// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1.  Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
// 2.  Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in the
//     documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

description(
"This tests that arguments predicted to be boolean are checked."
);

function predictBooleanArgument(b) {
    if (b) {
        return "yes";
    } else {
        return "no";
    }
}

shouldBe("predictBooleanArgument(true)", "\"yes\"");
shouldBe("predictBooleanArgument(false)", "\"no\"");

for (var i = 0; i < 1000; ++i) {
    predictBooleanArgument(true);
    predictBooleanArgument(false);
}

shouldBe("predictBooleanArgument(true)", "\"yes\"");
shouldBe("predictBooleanArgument(false)", "\"no\"");

shouldBe("predictBooleanArgument(0)", "\"no\"");
shouldBe("predictBooleanArgument(1)", "\"yes\"");
shouldBe("predictBooleanArgument(2)", "\"yes\"");
shouldBe("predictBooleanArgument(3)", "\"yes\"");
shouldBe("predictBooleanArgument(4)", "\"yes\"");

for (var i = 0; i < 1000; ++i) {
    predictBooleanArgument(0);
    predictBooleanArgument(1);
    predictBooleanArgument(2);
    predictBooleanArgument(3);
    predictBooleanArgument(4);
}

shouldBe("predictBooleanArgument(true)", "\"yes\"");
shouldBe("predictBooleanArgument(false)", "\"no\"");

shouldBe("predictBooleanArgument(0)", "\"no\"");
shouldBe("predictBooleanArgument(1)", "\"yes\"");
shouldBe("predictBooleanArgument(2)", "\"yes\"");
shouldBe("predictBooleanArgument(3)", "\"yes\"");
shouldBe("predictBooleanArgument(4)", "\"yes\"");
